Mark SullivanSenior Editor, PCWorld

Mark has been writing about networks - social and wireless - since 2005. Independent and outgoing, he enjoys travelling, wine, and skiing. His favorite book is "Atlas Shrugged" by Ayn Rand.

Laptop Reliability and Satisfaction: MacBooks Rule

There's nothing quite like a MacBook, according to PCWorld readers who participated in our survey on their satisfaction with the performance of their laptops.

HDTV Reliability and Satisfaction: LG is the Brand to Beat

Owners of LG flat screens said the TVs were reliable and easy to use. Mitsubishi HDTV owners weren't nearly as satisfied.

on techhive.com

Canon's Winning Customer Support: How They Do It

During my visit to the Canon Customer Support Center in Chesapeake, Virginia, I was impressed by the effort the company makes to ensure friendly support.

Sprint Now Making All the Right Moves

Sprint gets the iPhone and announces move to 4G LTE. In a competition-averse wireless market, we consumers need Sprint to succeed.

New iPhone 4S: Antenna 'Death Grip' Now Slightly Harder

But that may be about all Apple's new antenna design may mean. Some believe that the new antenna design may deliver modest reception improvements, but is mostly hype.

Facebook as Media Hub: Shortcomings, Questions and Worries

As the buzz of Facebook’s paradigm-shifting announcements Thursday wear off, some key feature omissions and a lot of privacy questions remain.

Facebook Integrated Real Time Media Fires Significant Blow Against Google

At today's Facebook developers' conference, the reigning social networking champ lets fly with new features that only a service with its maturity, history, and large membership could offer.

Facebook Adds Timeline Feature and Supercharges Apps

Facebook releases Timeline feature to chart your life and supercharges apps allowing you to share "all of your life" activities with friends.

Google

How to Google Like Google Googles

We tapped the company for some inside tips and tricks that can make you a Google Search, Gmail, and Maps power user.

Tim Cook Talk Leads Social Media Conversation in Last 24 Hours

The social web has been buzzing about Steve Jobs since his resignation yesterday. We looked at every comment, tweet, post and update to find out exactly what people are saying.

AT&T's First LTE Devices Hit Shelves August 21

The new USB stick and mobile hotspot will connect to the carrier's new LTE network, which will launch later this year in five cities.